Cheap flights from Boston to San Francisco
✈️ Fares in November 2026 start from €101 — found by real travellers in the last 48 hours.
Compare all Boston → San Francisco flights
Cheapest day to fly in November 2026
| Date | From | Stops | |
|---|---|---|---|
| Mon 2 Nov | €203 | 2 stops | Book → |
| Tue 3 Nov | €183 | Direct | Book → |
| Mon 9 Nov | €131 | 1 stop | Book → |
| Tue 10 Nov | €101 | 1 stop | Book → |
| Thu 26 Nov | €195 | 2 stops | Book → |
Popular flights from Boston
Flights to San Francisco from other cities
Frequently asked questions
How much is a flight from Boston to San Francisco?
Cached market fares for November 2026 start from €101 one-way. Prices are found by real travellers in the last 48 hours and confirmed at checkout.
Which airlines fly from Boston to San Francisco?
Recent fares on this route are offered by AS, B6 and others. ScanFlyGo compares 1,200+ airlines and agencies.
What is the cheapest day to fly from Boston to San Francisco?
ScanFlyGo shows the cheapest fare for each day of November 2026 — check the price table above to pick the cheapest date, then book directly with the provider.
Is Boston to San Francisco a direct flight?
Both direct and connecting options may be available. Use the ScanFlyGo search to filter by stops, airline and time.
Can I track my Boston to San Francisco flight live?
Yes. ScanFlyGo has a built-in live flight tracker with a real-time map, so you can follow your aircraft on the day by flight number.
Does ScanFlyGo charge booking or service fees?
No. ScanFlyGo is a free flight metasearch — we compare fares and send you to the airline or agency to book. The price is confirmed at their checkout with no extra fee from us.
About Boston to San Francisco flights
ScanFlyGo compares Boston (Logan International Airport, BOS) to San Francisco (San Francisco International Airport, SFO) fares across 1,200+ airlines and agencies via the Aviasales network. The cheapest fare found for November 2026 is €101. Prices shown are the lowest cached market fares; the final price is always confirmed at the partner's checkout. You can also search the return route San Francisco → Boston, or use the full live search for exact dates, stops, airline filters and a live map to track your flight on the day.
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